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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
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This schema available for me in good condition. I would highly recommend.
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Thanks for this "hard to find" service manual.
I apreciate the good quality of scanning and the pages scanned in A3 format.
3-15. WHEEL GEAR 2, MAIN CAM AND MODE SWITCH (See Figs. 3-15-1 and 3-15-2)
1) Refer to section 3-2 and remove the mechanism unit. When you do this, make sure the mechanism is in EJECT mode. 2) Refer to section 3-7-1, then remove the harness mounting. 3) Remove the clamp 1, then remove the wheel gear 2 2. 4) Remove the washer 3, then remove the main cam 4. 5) After unscrewing the screw 5, remove the soldering from the terminal of the mode switch 6. 6) Remove the clamp 7, then remove the mode switch 6.
4 Main cam
3 Washer 6 Mode switch 5 Screw
2 Wheel gear 2
7 Clamp
ASSEMBLY NOTES:
1. Apply grease (VHJ-0100) to the shafts 8, 9 and 0, to the teeth of the main cam 4, and to the all over the cam groove of main cam 4. 2. When fitting the modes witch 6, align it in AB order as shown in Fig. 3-15-2. The alignment of the part B is shown in Fig. A. Position the teeth of the mode switch 6 so that the sixth tooth space left of part A is aligned with the triangular mark on the pinch cam gear !¡. After aligning part B, refer to section 3-9-2 and check the positioning of the mode switch, the pinch cam gear and the pinch lift cam. 3. Beforehand, remove the soldering from the soldered part of the MC-1 PWB assembly, in order to prevent the mode switch 6 being warped. Solder the mode switch 6 after tightening the screw 5 (See Fig. 3-15-1 ) . 4. Align the hole in the crescent slide !� with the hole in the mechanism chassis, as shown at point G in Fig. 315-2 (refer to section 3-16 and see the holes 5 and 6 in Fig. 3-16-1). 5. When fitting the main cam 4, position the mode switch 6 and the front rack gear !£ as shown at points C and D respectively in Fig. 3-15-2. 6. When fitting the gear wheel 2 2, position the main cam 4 and the wheel gear 1 !¢ as shown at points E and F respectively in Fig. 3-15-2.
!£ Front rack gear
!¡ Pinch cam gear 8 Shaft 9 Shaft
0 Shaft !� Crescent slide !¢ Wheel gear 1
Fig. 3-15-1
Fig. A
!¡ Pinch cam gear
Align at B
654 3 2
Marks on mode switch 6
1
B !£ Front rack gear D
6 Mode switch A C
Tooth tip on main cam 4
4 Main cam E
2 Wheel gear 2 F
!� Crescent slide G
!¢ Wheel gear 1
Fig. 3-15-2
5-22
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